Also support CROSS_BUILD_DIR env variable in browser_test

Author: hoodmane

Platforms/emscripten/browser_test/package-lock.json

@@ -11,7 +11,7 @@
   "description": "",
   "dependencies": {
     "@playwright/test": "^1.54.1",
-    "@types/node": "^24.1.0",
+    "@types/node": "^24.12.0",
     "get-port-cli": "^3.0.0",
     "http-server": "^14.1.1",
     "playwright": "^1.54.1"

Platforms/emscripten/browser_test/package.json

@@ -1,6 +1,8 @@
 import { defineConfig, devices } from '@playwright/test';
+import { resolve } from "node:path";
 
 const port = process.env.PORT ?? "8787";
+const crossBuildDir = resolve("../../../", process.env.CROSS_BUILD_DIR ?? "cross-build");
 
 export default defineConfig({
   testDir: '.',
@@ -18,7 +20,7 @@ export default defineConfig({
     },
   ],
   webServer: {
-    command: `npx http-server ../../../cross-build/wasm32-emscripten/build/python/web_example_pyrepl_jspi/ -p ${port}`,
+    command: `npx http-server ${crossBuildDir}/wasm32-emscripten/build/python/web_example_pyrepl_jspi/ -p ${port}`,
     url: `http://localhost:${port}`,
   },
 });